2101101 has 4 divisors (see below), whose sum is σ = 2801472. Its totient is φ = 1400732.

The previous prime is 2101093. The next prime is 2101111. The reversal of 2101101 is 1011012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101101 - 2³ = 2101093 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350181 + ... + 350186.

It is an arithmetic number, because the mean of its divisors is an integer number (700368).

2^2101101 is an apocalyptic number.

It is an amenable number.

2101101 is a deficient number, since it is larger than the sum of its proper divisors (700371).

2101101 is an equidigital number, since it uses as much as digits as its factorization.

2101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700370.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 2101101 is about 1449.5175059309. The cubic root of 2101101 is about 128.0802922342.

Adding to 2101101 its reverse (1011012), we get a palindrome (3112113).

Multiplying 2101101 by its reverse (1011012), we get a palindrome (2124238324212).

It can be divided in two parts, 2 and 101101, that multiplied together give a palindrome (202202).

The spelling of 2101101 in words is "two million, one hundred one thousand, one hundred one".